[jira] Commented: (DERBY-4552) Allow application to manipulate the transaction state while NOT inside a distributed transaction

["chunlinyao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-4552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920847#action_12920847 ] 

chunlinyao commented on DERBY-4552:
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Are you using it in a application server?If the server called XAResource.start,than it will become a global transaction? 

> Allow application to manipulate the transaction state while NOT inside a distributed transaction
> ------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4552
>                 URL: https://issues.apache.org/jira/browse/DERBY-4552
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.4.2.0
>         Environment: Geronimo 2.2 with Jetty, OpenJPA 1.2.1 & Derby 10.4.2.0
>            Reporter: Alexandros Karypidis
>
> Enhancement http://issues.apache.org/jira/browse/DERBY-1236 prevents applications from modifying the transaction state when using a global transaction. However, an application may access Derby using the XA adapter and issue statements without a global transaction being active. In that case, the auto-commit should be allowed.
> This issue is revealed when trying to use the schema-generation facility of OpenJPA. I contacted the OpenJPA folks and you can see the details in this thread: http://n2.nabble.com/Schema-generation-uses-auto-commit-mode-breaks-on-XA-data-sources-tp4583095p4583095.html

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